National has built a reputation as one of the most respected names in theindustry. We have offered premium sealing solutions for more than 75 years. Ourdesign team keeps pace with the industry and provides advanced solutions fortoday’s vehicles. Temperature range: -40?F to 225?F / -40?C to 107?C.Abrasion-resistant nitrile with spring-loaded main lip for positive sealingwith reduced shaft interference. Red 37 Series oil bath seals deliverdependable point contact seal. Unitized construction provides greaterstructural integrity, easier installation and main lip protection. Uniquerubber I.D. and O.D. includes patented SURE-LOCK? ribs that prevent shaft leaksand bore contaminatioin. Width: 0.925 in Shaft Diameter: 3.500 in Outside Diameter: 4.855 in Material: Nitrile Housing Bore: 4.842 in
